SU36454A1 - Driver's crane for air brakes of railway vehicles - Google Patents

Description

The described driver's crane is equipped with a device that makes the edge effective, automatically regulating the power supply to the main air line to the set pressure and giving a decrease and increase in pressure in the desired stages. The constructive implementation of this device is the subject of the invention.

According to the drawing, in part 2 of the driver’s crane body, there is a piston 13 in the driver’s valve of Westinghouse, which rests its shank with valve 21 into a spring-loaded valve 16. With piston 10 through this axial opening, a piston 10 and a double-seat valve KH are placed in the cover 2 of this part. A chamber with an under piston 10 is always in communication with a chamber 12 above a piston 13.

At the first position of the driver's crane handle (charging), air from the main tank through channel 7 enters the chamber above spool 4 and further through channels 5 and 6 enters valve 16 and then into chamber m, from where channel 14 enters the train tube (/ 77 ). At the same time, air from the gauge over the spool 4 through channel 11 through chamber c and channel 17 enters chamber 12, creating pressure on the piston 13 from above.

(215)

The filling of air into chamber 12 will cease, as the pressure in it slightly exceeds the elasticity of the spring acting on the piston 10, while the air through the channel 5, 6 will flow until the pressure in the chamber m exceeds the elasticity of the spring acting on the piston 10, air on the same channel 5, 6 will flow until the pressure in the chamber m exceeds the pressure of chamber 12, i.e., until the piston 13 rises. When the powder 13 is raised upwards, the valve 16 will close the air passage to the chamber m, and from it to the main air duct, thus ending the charging of the brake.

When setting the driver's crane handle to the fourth position (braking), air from chamber 12 through channel 18 and through the needle hole in spool 4 will escape into the atmosphere, which will cause depression of chamber 12 and the associated rise of piston 13, which opens valve 21 exit of air from the main air duct through the channel 15 to the atmosphere. By shifting the driver's crane handle from the fourth position (braking) to the third (aetercap), the discharge of the main air line stops and its desired degree is obtained.

. By setting the handle at first, the price of the dr.a.-, residence (holiday), we obtain a release torM1.0zz3, the degree of which will depend on the air flow of the main air duct, depending on the time the crank driver is in this first position before shifting it into the third sui $ en4 | e. ,, ,,

Thus, 1 ran-pr operation of 1Ч1.1 .jH gives stepped tempering and braking.

The subject matter of the invention.

The crane driver for air brakes of railway carts, equipped with a device that automatically adjusts the power supply of the main air duct to the prescribed pressure and pressure drop in it in the desired stages, characterized in that the uvaccall piston with its lower shank is common in the Westgaz crane. the check valve 16 controls both the supply of the Horq head, the air supply from the main tank, and the pressure decrease in the main air duct, together with the main air duct, in the last section tea, with the atmosphere, which "equalizing porschenek by the" extra (conventional in faucet Westinghouse) iyeet reservoir chamber, fed through a pressure reducing valve piston spring 10.